Sliding Puzzle

Today's puzzle

Picture: Paul Cézanne, Still Life with Apples and a Pot of Primroses, ca. 1890. The Metropolitan Museum of Art, Open Access (CC0).

Choose a picture

Moves 0 Time 0:00 Won 0 of 0 Best none yet

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The 15-puzzle: slide the tiles into order, with a famous painting or plain numbers. Free, with no sign-up.

Also try: Jigsaw Puzzles · 2048 · Minesweeper

How to play Sliding Puzzle

Slide the tiles around the one empty square until the picture is whole, or the numbers run in order from 1 with the gap at the end. Every puzzle here can be solved.

Choose 3 by 3 (8 tiles), 4 by 4 (the classic 15-puzzle) or 5 by 5 (24 tiles) under More, and any of the paintings, or plain numbers, under the board. The pictures are public-domain paintings from The Metropolitan Museum of Art; the artist is named under the puzzle.

Keyboard

Choose the puzzle, then the arrow keys slide a tile into the gap: the left arrow slides the tile on the gap's right, and so on. H shows a hint, and Ctrl+Z undoes a move.

Questions

Can every shuffle be solved?

Yes. Half of all arrangements of a 15-puzzle can't be solved, so we only deal the ones that can. If you're stuck, Hint marks a tile that brings the puzzle closer.

How do I know where a picture tile goes?

Every tile carries a small number. Tile 1 belongs top left, and the numbers read across each row, so the gap ends up bottom right.

Is there a trick to it?

Finish the top row first, then the left column, and repeat on the smaller square that's left. The last 2 by 2 corner takes a little turning.

Where do the pictures come from?

They are public-domain paintings from The Metropolitan Museum of Art's Open Access collection, the same ones as our jigsaws. The artist is named under the puzzle.